Patents by Inventor Richard H. Weichsel

Richard H. Weichsel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5397485
    Abstract: The present invention relates to lubricant compositions comprising a lubricant base containing alloy particles which comprises a dispersion of very fine lead particles in a copper matrix wherein the particles are substantively uniformly dispersed to provide a very fine microstructure. In general, at least 70% of the lead particles have an average diameter of less than about 100 angstroms with no more than about 30% having an average diameter larger than about 100 angstroms, and the alloy particles have a particle size in the range of from about 3 to about 10 microns.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: March 14, 1995
    Assignee: Applied Metals Technology, Inc.
    Inventors: Richard H. Weichsel, Tirumalai S. Sudarshan, Thomas D. Nielsen